package com.cxm.weilai.util;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;

/**
 * 简化工具包
 *
 * @author admin
 */
public class Utils {

    public static <K, V> HashMap<K, V> newHashMap() {
        return new HashMap<K, V>();
    }

    public static <E> ArrayList<E> newArrayList() {
        return new ArrayList<E>();
    }

    public static <E> HashSet<E> newHashSet() {
        return new HashSet<E>();
    }

}
